Nordson Asymtek X-1000 Series

Training Guide Course No. 196514
Level 2 Maintenance, X-1000 Series Dispensing Systems 4-149 P/N 196515 (Revision A)
Information Sheet 4-13-4
DV-7000 Troubleshooting
A. Intermittent Or No Fluid Dispensing
Possible Cause Recovery
 Pump poorly primed
 See “Priming the DV-7000” in the Valve Operations
Manual.
 Clogged needle
 Clean or replace the needle.
 Plugged pump
 Clean pump. See “Cleaning the DV-7000” in the
Valve Operations Manual.
 Speed Control set to 0 rpm  See “Adjustments” in the Valve Operations Manual.
 No power to motor
 Make sure that the valve power cord is connected to
the power outlet on the dispensing head.
 Fluid syringe is empty
 See “Changing the Syringe” in the Valve Operations
Manual.
B. Needle Repeatedly Clogs With Fluid
Possible Cause Recovery
 Fluid particles too big for
needle size
 Replace needle with a bigger needle.
 Needle bent or damaged  Replace needle.
 Fluid has exceeded pot life
or fill has separated
 See “Changing the Syringe” in Valve Operations
Manual.
C. Material Drips Or Drools Continuously From Dispensing Tip
Possible Cause Recovery
 Pump poorly primed
 See “Priming the DV-7000” in the Valve Operations
Manual.
 Wrong type of stopper in
syringe
 Use zero draft (orange or yellow) stoppers in the
syringe.
 Air inside syringe expands
 Add a short Reverse Motor command to the end of
the dispensing command.